NF C47-745*NF EN IEC 60730-2-15:2019 Automatic electrical controls - Part 2-15 : particular requirements for automatic electrical air flow, water flow and water level sensing controls
2019NF C47-745*NF EN IEC 60730-2-15:2019 Automatic electrical controls - Part 2-15 : particular requirements for automatic electrical air flow, water flow and water level sensing controls